<template>
  <a-layout-content
      :style="{ background: '#fff', padding: '24px', margin: 0, minHeight: '280px' }"
  >
    <a-form layout="inline" >
    <a-form-item>
      <a-button type="primary" @click="add">
        新增
      </a-button>
    </a-form-item></a-form>
    <a-table
        :columns="columns"
        :row-key="record => record.id"
        :data-source="level1"
        :pagination="false"
        :loading="loading"

    >
      <!-- pagination="pagination" 分页  @change="handleTableChange 触发改函数
          :loading="loading" 加载图标 ture 就显示加载
        -->
      <template #cover="{ text: cover }">

      </template>
      <template v-slot:action="{ text, record }">
        <a-space size="small">

          <!--                                          record 就是每行的值       -->
          <a-button type="primary"  @click="edit(record)">
            编辑

          </a-button>
          <a-popconfirm
              title="确定是否删除? 删除后不可恢复"
              ok-text="是"
              cancel-text="否"
              @confirm="handleDelete(record.id)"

          >
            <a-button type="danger">
              删除
            </a-button>
          </a-popconfirm>

        </a-space>
      </template>
    </a-table>

  </a-layout-content>
  <a-modal
      title="分类表单"
      v-model:visible="modelVisible"
      :confirm-loading="modelLoading"
      @ok="handleOk"
  >
    <a-form :model="category" :label-col="{ span: 6 }" :wrapper-col="{ span: 18 }">

      <a-form-item label="名称">
        <a-input v-model:value="category.name" />
      </a-form-item>
      <a-form-item label="父分类">
        <a-input v-model:value="category.parent" />
        <a-select
            v-model:value="category.parent"
            ref="select"
        >
          <a-select-option :value="0">
            无
          </a-select-option>
          <a-select-option v-for="c in level1" :key="c.id" :value="c.id" :disabled="category.id === c.id">
            {{c.name}}
          </a-select-option>
        </a-select>
      </a-form-item>
      <a-form-item label="顺序">
        <a-input v-model:value="category.sort" />
      </a-form-item>
    </a-form>
  </a-modal>
</template>
<script   lang="ts">
import { defineComponent, onMounted, ref } from 'vue';
import axios from 'axios';
import { message } from 'ant-design-vue';
import {Tool} from "@/util/tool";




export default defineComponent({
  name: 'AdminEbook',
  setup() {
    const param = ref();
    param.value={};
    const categorys = ref();

    const loading = ref(false);

    const columns = [

      {
        title: '名称',
        dataIndex: 'name'
      },
      {
        title: '父分类',
        dataIndex: 'parent'
      },
      {
        title: '顺序',
        dataIndex: 'sort'
      },

      {
        title: 'Action',
        key: 'action',
        slots: {customRender: 'action'},
      },
    ];

    /**
     * 一级分类树，children属性就是二级分类
     * [{
     *   id: "",
     *   name: "",
     *   children: [{
     *     id: "",
     *     name: "",
     *   }]
     * }]
     */
    const level1 =ref();
    level1.value=[];
    //数据查询
    const handleQuery = () => {
      loading.value = true;
      axios.get("category/all").then((response) => {
        loading.value = false;
        const data = response.data;
        if(data.success){
          categorys.value = data.content;
          console.log("原始的数组" , categorys.value);
          level1.value=[];
          level1.value= Tool.array2Tree(categorys.value,0);
          console.log("树形结构",level1)
        }else {
          message.error(data.message);
        }

      })
    };



    //编辑  +表单

    const category =ref({});
    const modelVisible = ref(false);
    const modelLoading = ref(false);
    const handleOk = () => {

      modelLoading.value = true;
      axios.post("category/save",category.value).then((response) => {
        const data= response.data;
        modelLoading.value=false;
        //判断数据是否传入才进行操作
        if(data.success){
          modelVisible.value=false;
          //重新加载页面
          handleQuery();
        }else{
          message.error(data.message);
        }
      });

    };
    const edit = (record: any) => {
      modelVisible.value = true;
      category.value=Tool.copy(record);
    };
    //新增
    const add = () => {
      modelVisible.value = true;
      category.value={};
    };
    //删除
    const handleDelete = (id:number) =>{
      axios.delete("category/delete/"+id).then((response) => {
        const data= response.data;
        //判断数据是否传入才进行操作
        if(data.success){
          //重新加载页面
          handleQuery();
        }
      });
    };


    onMounted(() => {
      handleQuery();
    });
    return {
      columns,
      categorys,
      loading,
      modelVisible,
      modelLoading,
      category,
      param,
      level1,


      handleDelete,
      handleQuery,
      edit,
      add,
      handleOk
    }
  }

});

</script>